Parents could soon be made to approve their teenagers’ use of social media and chat apps if a last-minute change to data protection laws makes the cut in final discussions starting in the EU tomorrow. The law would make it illegal for companies to handle data from anyone aged 15 or under without parental consent, effectively stopping young people from using their favorite services, many of which currently use 13 as the lower age limit for their services. According to the FT, a number of big US tech companies have now “launched a frantic lobbying effort” to stop the amendment being passed.…